Multiple choice

Which of the following raw materials is not necessary for the process of photosynthesis?

  1. Sunlight

  2. Water

  3. Chlorophyll

  4. Carbon dioxide

  5. Soil
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Soil is not a raw material. In the roots, the surface cells are in contact with soil particles and soil water. Ions and water are absorbed from the soil. Soil itself is not acting as a raw material.

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